TOI-1670 c, a 40 day orbital period warm Jupiter in a compact system, is well aligned

Jack Lubin; Xian-Yu Wang; Malena Rice; Jiayin Dong; Songhu Wang; Brandon T. Radzom; Paul Robertson; Gudmundur Stefansson; Jaime A. Alvarado-Montes; Corey Beard; Chad F. Bender; Arvind F. Gupta; Samuel Halverson; Shubham Kanodia; Dan Li; Andrea S. J. Lin; Sarah E. Logsdon; Emily Lubar; Suvrath Mahadevan; Joe P. Ninan; Jayadev Rajagopal; Arpita Roy; Christian Schwab; Jason T. Wright

doi:10.3847/2041-8213/ad0fea

TOI-1670 c, a 40 day orbital period warm Jupiter in a compact system, is well aligned

Jack Lubin^*, Xian-Yu Wang, Malena Rice, Jiayin Dong, Songhu Wang, Brandon T. Radzom, Paul Robertson, Gudmundur Stefansson, Jaime A. Alvarado-Montes, Corey Beard, Chad F. Bender, Arvind F. Gupta, Samuel Halverson, Shubham Kanodia, Dan Li, Andrea S. J. Lin, Sarah E. Logsdon, Emily Lubar, Suvrath Mahadevan, Joe P. NinanJayadev Rajagopal, Arpita Roy, Christian Schwab, Jason T. Wright

^*Corresponding author for this work

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Abstract

We report the measurement of the sky-projected obliquity angle λ of the warm Jovian exoplanet TOI-1670 c via the Rossiter-McLaughlin effect. We observed the transit window during UT 2023 April 20 for 7 continuous hours with NEID on the 3.5 m WIYN Telescope at Kitt Peak National Observatory. TOI-1670 hosts a sub-Neptune (P ∼ 11 days; planet b) interior to the warm Jovian (P ∼ 40 days; planet c), which presents an opportunity to investigate the dynamics of a warm Jupiter with an inner companion. Additionally, TOI-1670 c is now among the longest-period planets to date to have its sky-projected obliquity angle measured. We find planet c is well aligned to the host star, with λ = − 0.°3 ± 2.°2. TOI-1670 c joins a growing census of aligned warm Jupiters around single stars and aligned planets in multiplanet systems.

Original language	English
Article number	L5
Pages (from-to)	1-8
Number of pages	8
Journal	The Astrophysical Journal Letters
Volume	959
Issue number	1
DOIs	https://doi.org/10.3847/2041-8213/ad0fea
Publication status	Published - 7 Dec 2023

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Copyright © 2023. The Author(s). Published by the American Astronomical Society. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

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Lubin, J., Wang, X.-Y., Rice, M., Dong, J., Wang, S., Radzom, B. T., Robertson, P., Stefansson, G., Alvarado-Montes, J. A., Beard, C., Bender, C. F., Gupta, A. F., Halverson, S., Kanodia, S., Li, D., Lin, A. S. J., Logsdon, S. E., Lubar, E., Mahadevan, S., ... Wright, J. T. (2023). TOI-1670 c, a 40 day orbital period warm Jupiter in a compact system, is well aligned. The Astrophysical Journal Letters, 959(1), 1-8. Article L5. https://doi.org/10.3847/2041-8213/ad0fea

@article{f7ea7122dc0a431c9a750752ef1ffe2a,

title = "TOI-1670 c, a 40 day orbital period warm Jupiter in a compact system, is well aligned",

abstract = "We report the measurement of the sky-projected obliquity angle λ of the warm Jovian exoplanet TOI-1670 c via the Rossiter-McLaughlin effect. We observed the transit window during UT 2023 April 20 for 7 continuous hours with NEID on the 3.5 m WIYN Telescope at Kitt Peak National Observatory. TOI-1670 hosts a sub-Neptune (P ∼ 11 days; planet b) interior to the warm Jovian (P ∼ 40 days; planet c), which presents an opportunity to investigate the dynamics of a warm Jupiter with an inner companion. Additionally, TOI-1670 c is now among the longest-period planets to date to have its sky-projected obliquity angle measured. We find planet c is well aligned to the host star, with λ = − 0.°3 ± 2.°2. TOI-1670 c joins a growing census of aligned warm Jupiters around single stars and aligned planets in multiplanet systems.",

author = "Jack Lubin and Xian-Yu Wang and Malena Rice and Jiayin Dong and Songhu Wang and Radzom, \{Brandon T.\} and Paul Robertson and Gudmundur Stefansson and Alvarado-Montes, \{Jaime A.\} and Corey Beard and Bender, \{Chad F.\} and Gupta, \{Arvind F.\} and Samuel Halverson and Shubham Kanodia and Dan Li and Lin, \{Andrea S. J.\} and Logsdon, \{Sarah E.\} and Emily Lubar and Suvrath Mahadevan and Ninan, \{Joe P.\} and Jayadev Rajagopal and Arpita Roy and Christian Schwab and Wright, \{Jason T.\}",

note = "Copyright {\textcopyright} 2023. The Author(s). Published by the American Astronomical Society. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.",

year = "2023",

month = dec,

day = "7",

doi = "10.3847/2041-8213/ad0fea",

language = "English",

volume = "959",

pages = "1--8",

journal = "The Astrophysical Journal Letters",

issn = "2041-8205",

publisher = "American Astronomical Society",

number = "1",

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Lubin, J, Wang, X-Y, Rice, M, Dong, J, Wang, S, Radzom, BT, Robertson, P, Stefansson, G, Alvarado-Montes, JA, Beard, C, Bender, CF, Gupta, AF, Halverson, S, Kanodia, S, Li, D, Lin, ASJ, Logsdon, SE, Lubar, E, Mahadevan, S, Ninan, JP, Rajagopal, J, Roy, A, Schwab, C & Wright, JT 2023, 'TOI-1670 c, a 40 day orbital period warm Jupiter in a compact system, is well aligned', The Astrophysical Journal Letters, vol. 959, no. 1, L5, pp. 1-8. https://doi.org/10.3847/2041-8213/ad0fea

TY - JOUR

T1 - TOI-1670 c, a 40 day orbital period warm Jupiter in a compact system, is well aligned

AU - Lubin, Jack

AU - Wang, Xian-Yu

AU - Rice, Malena

AU - Dong, Jiayin

AU - Wang, Songhu

AU - Radzom, Brandon T.

AU - Robertson, Paul

AU - Stefansson, Gudmundur

AU - Alvarado-Montes, Jaime A.

AU - Beard, Corey

AU - Bender, Chad F.

AU - Gupta, Arvind F.

AU - Halverson, Samuel

AU - Kanodia, Shubham

AU - Li, Dan

AU - Lin, Andrea S. J.

AU - Logsdon, Sarah E.

AU - Lubar, Emily

AU - Mahadevan, Suvrath

AU - Ninan, Joe P.

AU - Rajagopal, Jayadev

AU - Roy, Arpita

AU - Schwab, Christian

AU - Wright, Jason T.

N1 - Copyright © 2023. The Author(s). Published by the American Astronomical Society. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

PY - 2023/12/7

Y1 - 2023/12/7

N2 - We report the measurement of the sky-projected obliquity angle λ of the warm Jovian exoplanet TOI-1670 c via the Rossiter-McLaughlin effect. We observed the transit window during UT 2023 April 20 for 7 continuous hours with NEID on the 3.5 m WIYN Telescope at Kitt Peak National Observatory. TOI-1670 hosts a sub-Neptune (P ∼ 11 days; planet b) interior to the warm Jovian (P ∼ 40 days; planet c), which presents an opportunity to investigate the dynamics of a warm Jupiter with an inner companion. Additionally, TOI-1670 c is now among the longest-period planets to date to have its sky-projected obliquity angle measured. We find planet c is well aligned to the host star, with λ = − 0.°3 ± 2.°2. TOI-1670 c joins a growing census of aligned warm Jupiters around single stars and aligned planets in multiplanet systems.

AB - We report the measurement of the sky-projected obliquity angle λ of the warm Jovian exoplanet TOI-1670 c via the Rossiter-McLaughlin effect. We observed the transit window during UT 2023 April 20 for 7 continuous hours with NEID on the 3.5 m WIYN Telescope at Kitt Peak National Observatory. TOI-1670 hosts a sub-Neptune (P ∼ 11 days; planet b) interior to the warm Jovian (P ∼ 40 days; planet c), which presents an opportunity to investigate the dynamics of a warm Jupiter with an inner companion. Additionally, TOI-1670 c is now among the longest-period planets to date to have its sky-projected obliquity angle measured. We find planet c is well aligned to the host star, with λ = − 0.°3 ± 2.°2. TOI-1670 c joins a growing census of aligned warm Jupiters around single stars and aligned planets in multiplanet systems.

UR - https://www.scopus.com/pages/publications/85180094833

U2 - 10.3847/2041-8213/ad0fea

DO - 10.3847/2041-8213/ad0fea

M3 - Article

AN - SCOPUS:85180094833

SN - 2041-8205

VL - 959

SP - 1

EP - 8

JO - The Astrophysical Journal Letters

JF - The Astrophysical Journal Letters

IS - 1

M1 - L5

ER -

TOI-1670 c, a 40 day orbital period warm Jupiter in a compact system, is well aligned

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